Stainless Steel Slip On Flange 1.Size: 1/2-48 inch 2.Material: carbon steel, stainless steel 3.Standard: ANSI, JIS, DIN, UN Lianfa stainless steel pies and valves(qingyun) co.,ltd specilizes in manufacturing stainless steel pipe fittings, ball valves,sanitary fittings and valves,quick couping,flexible fittings,flanges and carbon steel valves.